drivers/input/keyboard.h

0001 /*                    The Quest Operating System
0002  *  Copyright (C) 2005-2010  Richard West, Boston University
0003  *
0004  *  This program is free software: you can redistribute it and/or modify
0005  *  it under the terms of the GNU General Public License as published by
0006  *  the Free Software Foundation, either version 3 of the License, or
0007  *  (at your option) any later version.
0008  *
0009  *  This program is distributed in the hope that it will be useful,
0010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
0011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0012  *  GNU General Public License for more details.
0013  *
0014  *  You should have received a copy of the GNU General Public License
0015  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
0016  */
0017
0018 #ifndef _KEYBOARD_H_
0019 #define _KEYBOARD_H_
0020 #include "types.h"
0021
0022 #define KEYBOARD_BUFFER_SIZE 16
0023
0024 #define KEYBOARD_IRQ 1
0025 #define KEYBOARD_VECTOR 0x21
0026
0027 #define KEYBOARD_DATA_PORT 0x60
0028 #define KEYBOARD_STATUS_PORT 0x64
0029
0030 #define KEY_EVENT_MAX 5
0031
0032 typedef struct
0033 {
0034   uint16 scancode;
0035   uint16 present:1;
0036   uint16 pressed:1;
0037   uint16 release:1;
0038   uint16 latest:1;
0039   uint16 reserved:12;
0040 } key;
0041
0042 typedef struct
0043 {
0044   key keys[KEY_EVENT_MAX];
0045 } key_event;
0046
0047 bool init_keyboard_8042 (void);
0048 void keyboard_8042_next (key_event *);
0049
0050 #endif
0051
0052 /*
0053  * Local Variables:
0054  * indent-tabs-mode: nil
0055  * mode: C
0056  * c-file-style: "gnu"
0057  * c-basic-offset: 2
0058  * End:
0059  */
0060
0061 /* vi: set et sw=2 sts=2: */